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Page Background

Met

h

anol O

p

erations

BOS-

P

RD-2

6

.900

6

09

B

ravo

f

l

a

g

shall

be

shown and

red

li

g

ht

i

n

the mast at n

i

g

ht

.

S

ea

water

should

never

be

used

i

n

cofferdams

or methano

l

tan

k

s

to

reduce

corros

i

on deve

l

opment

. D

r

ill

water

,

fresh water

should

be used

i

nstead

.

A

ll

escape

hatches

and

doors

from Ma

i

n

dec

k i

nto

P

ropu

l

s

i

on

R

oom

, S

tores

and

Accommodat

i

on

shall

be

k

ept

c

l

osed as

soon as methano

l i

s

started

to be

l

oaded on

board

4

.

2

.

2 T

ank

p

re

p

aration

P

V

va

l

ves

shall

be

i

nspected

.

P

V

va

l

ves

sha

ll

be

l

eft

i

n

automat

i

c

to ma

i

nta

i

n

a

s

li

g

ht

pos

i

t

i

ve

pressure

i

ns

i

de

the

tan

k

s

at a

ll

t

i

mes

.

Methano

l

tan

k

s manho

l

es

are access

i

b

l

e

throu

g

h

the

cofferdam

’

s

access

trun

k.

Methanol tank access

Comp

l

ete

the

P

TW

enc

l

osed

space entry and open

cofferdams

and methano

l

tan

k

s manho

l

es

.

T

est

the methano

l

transfer

pump w

i

th

fresh water

,

d

i

schar

g

e

to

the b

il

g

e we

ll

dur

i

n

g

the

test

.

D

ry

the

tan

k

w

i

th

c

l

ean

ra

g

s

i

f

necessary

.

Chec

k

that

the

h

i

g

h

l

eve

l

and

very h

i

g

h

l

eve

l (9

5

%)

a

l

arms are wor

ki

n

g

su

i

tab

l

y

.

T

he

c

li

ent

should

ma

k

e a

survey of

the methano

l

tan

k

s

and

g

i

ve h

i

s

approva

l

for

carr

i

a

g

e

of methano

l.

Methano

l T

an

k

Cofferdam

Manho

l

es

Access

T

run

k

Vers

i

on

S

F

(BOS-

P

RD-0

7

.900

6

09-

ver

.0

4

). O

r

i

g

i

na

l

date

: 22/0

6

/20

1

2.

Vers

i

on

date

:

31

/

1

2/20

15

.

Va

li

d

vers

i

on

on

l

y

on

Q

M

S

s

i

te

.

Uncontro

ll

ed

document

when

pr

i

nted

.

P

rocedure prepared by

: BOS

Head

of

O

perat

i

ons

.

Approved

by

: BOS

Head

of

O

perat

i

ons

.

Va

li

dated by

: BOS

Q

ua

li

ty

R

epresentat

i

ve

.

8

/

15

498